Click on the third or sixth rank to set the en passant target square.

Book: ∞ / 0

# move proof disproof
1 a5 0
2 g6 0
3 Ra7 0
4 g5 0
5 Nf6 0
6 Kh5 0
7 Kg5 0
8 d5 0
9 d6 0
10 Kg6 0
11 Bb7 0
12 e6 0
13 Rb8 0